Do you have pullup resistors on SD card data lines? Sorry, I don't understand what 'internal pullup registers' means
@ESP_igrr "Internal" means "inside" or "on board". My sd card board has no pull up resister by itself.

@rudi

looks the connection like the second?

You must itself pullup the ...

I just tried SDIO example (https://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card).
1bit mode works, but 4bit mode does not work.

Connections are ok (correctly as https://github.com/espressif/esp-idf/tree/master/examples/storage/sd_card#hardware).
My SD card board has no internal ...